Finding the Fourth Proportional to 863,938.19, 1,294,856.51 and 611,291.63
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Solution
The fourth proportional to 863,938.19, 1,294,856.51 and 611,291.63 is: 916,193.95
Step by Step Solution
- Step 1: Write the proportion equation
863,938.19 : 1,294,856.51 = 611,291.63 : x - Step 2: Convert to fraction form
863,938.19/1,294,856.51 = 611,291.63/x - Step 3: Cross multiply
863,938.19x = 1,294,856.51 × 611,291.63 - Step 4: Simplify right side
863,938.19x = 791,534,937,083.27 - Step 5: Solve for x
x = 791,534,937,083.27/863,938.19 - Step 6: Final answer
x = 916,193.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.